Cadwalader, Cadwaladr, Gaultier, Gwallter, Gwatkin, Valter, Valther, Walden, Walder, Walliter, Walter, Walther, Waters, Wateys, Watkiss, Watson, Watt, Watts, Wattars
Origin Mid European/French/Old English 'Walter'. Diminishing useage in England saw WATKIN(S - sibling possessive) become a popular medieval and now distinctive Welsh Fore and Surname. In use across Wales and worldwide. Predominantly found in Mid and South East Wales, hugely popular surname in the USA.